/*+
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    SDL - Simple DirectMedia Layer+
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    Copyright (C) 1997-2006 Sam Lantinga+
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+
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    This library is free software; you can redistribute it and/or+
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    modify it under the terms of the GNU Lesser General Public+
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    License as published by the Free Software Foundation; either+
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    version 2.1 of the License, or (at your option) any later version.+
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+
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    This library is distributed in the hope that it will be useful,+
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    but WITHOUT ANY WARRANTY; without even the implied warranty of+
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU+
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    Lesser General Public License for more details.+
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+
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    You should have received a copy of the GNU Lesser General Public+
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    License along with this library; if not, write to the Free Software+
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA+
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+
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    Sam Lantinga+
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    slouken@libsdl.org+
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*/+
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#include "SDL_config.h"+
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+
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#ifndef SDL_fbelo_h+
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#define SDL_fbelo_h+
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+
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#include "SDL_fbvideo.h"+
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+
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/* ELO */+
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#define ELO_PACKET_SIZE	10+
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#define ELO_START_BYTE		'U'+
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+
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/*	eloConvertXY+
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	Convert the raw coordinates from the ELO controller+
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	to a screen position.+
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*/+
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void eloConvertXY(_THIS, int *dx,  int *dy);+
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+
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/*	eloInitController(int fd)+
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	Initialize the ELO serial touchscreen controller+
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*/+
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int eloInitController(int fd);+
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+
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/*	eloParsePacket+
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	extract position and button state from a packet+
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*/+
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int eloParsePacket(unsigned char* mousebuf, int* dx, int* dy, int* button_state);+
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+
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/*	eloReadPosition+
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	read a packet and get the cursor position+
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*/+
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+
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int eloReadPosition(_THIS, int fd, int* x, int* y, int* button_state, int* realx, int* realy);+
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+
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#endif	/* SDL_fbelo_h */+
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